Abstract: With the growing multimedia technology the demand for encrypted images has increased. Gray scale images are used in various fields like the health sector, military, defense, astronomy, ...

Scientists have unveiled a new way to capture ultra-sharp optical images without lenses or painstaking alignment. The ...

Caltech, Google, and IBM delivered results that reshaped expectations for practical quantum systems. Bitcoin developers reassessed long-term security as quantum timelines grew less speculative.

Abstract: Encryption is not a novel concept. Instead, it has been in use for thousands of years. The mathematical methods of data security, such as data integrity, secrecy, authentication, and data ...